Technologies and Engineering

Machine for processing parts with a seven-link spatial mechanism – synthesis and research

Goal. Synthesis of a seven-link spatial statically determined mechanism without redundant (passive) connection with an additional moving link of a machine for processing parts, followed by an analytical study of its main structural and geometric parameters. Methodology. An analytical research method was used based on the geometric and structural synthesis of a spatial seven-link statically defined mechanism with an additional movable link without redundant communication of the machine for processing parts; 3D modeling of the machine was performed in the SolidWorks 2016 computer-aided design system. Results. On the basis of structural synthesis, the design of a seven-link spatial statically defined mechanism with an additional movable link of the machine for processing parts is proposed, there is no redundant connection in the kinematic chain of the spatial mechanism, 3D modeling of the machine is performed in the CAD system SolidWorks 2016. Analytical studies of the main geometric and design parameters of the developed machine are carried out. Scientific novelty. The relationship between various geometric parameters of the spatial seven-link statically determined mechanism is established, which makes it possible to calculate the optimal ratio of the lengths of the links of the mechanism to ensure the smooth functioning of the machine without jamming its spatial mechanism Practical significance. A new design of a machine for processing parts has been developed, based on a seven-section spatial statically determined mechanism with an additional moving link without redundant communication. Mathematical dependences are obtained for calculating its basic design and geometric parameters. These dependencies can be used by the corresponding machine-building enterprises at the design stage of this type of equipment

excess communication, seven-link spatial mechanism, reciprocating movement, working capacity